Strength is the answer ;)
Answer:
You have to put a capital letter on a proper noun, and at the beginning of a senrence.
Explanation:
Usually, in a conclusion, you wrap up what you have been writing about the whole time. So, a conclusion is basically a summary of the whole text. You can introduce new ideas for the reader, but it is usually inadvisable. In a couple of sentences, you should finish your text, referring to the previous paragraphs and just wrap it all up nicely.
